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143142045 = 3510978699
BaseRepresentation
bin10001000100000…
…10110010011101
3100222100100222020
420202002302131
5243121021140
622112010353
73355454514
oct1042026235
9328310866
10143142045
1173888812
123bb309b9
132386a547
141502167b
15c8776d0
hex8882c9d

143142045 has 16 divisors (see below), whose sum is σ = 229262400. Its totient is φ = 76264064.

The previous prime is 143142019. The next prime is 143142047. The reversal of 143142045 is 540241341.

It is a cyclic number.

It is not a de Polignac number, because 143142045 - 26 = 143141981 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (143142047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12106 + ... + 20804.

It is an arithmetic number, because the mean of its divisors is an integer number (14328900).

Almost surely, 2143142045 is an apocalyptic number.

143142045 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

143142045 is a deficient number, since it is larger than the sum of its proper divisors (86120355).

143142045 is a wasteful number, since it uses less digits than its factorization.

143142045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9804.

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 143142045 is about 11964.1984687651. The cubic root of 143142045 is about 523.1052424918.

Adding to 143142045 its reverse (540241341), we get a palindrome (683383386).

The spelling of 143142045 in words is "one hundred forty-three million, one hundred forty-two thousand, forty-five".

Divisors: 1 3 5 15 1097 3291 5485 8699 16455 26097 43495 130485 9542803 28628409 47714015 143142045